package com.yc.d0316;

import com.google.gson.Gson;
import com.yc.bean.Result;
import com.yc.d0316.biz.BizException;
import com.yc.d0316.biz.BookBiz;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.annotation.*;
import java.io.IOException;

@WebServlet(name = "SaveBookServlet", value = "/SaveBookServlet.s")
public class SaveBookServlet extends HttpServlet {

    private BookBiz biz = new BookBiz();

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        final String bookname=request.getParameter("bookname");
        final String bookauthor=request.getParameter("bookauthor");
        final String bookpress=request.getParameter("bookpress");
        final String pressdate=request.getParameter("pressdate");
        final String bookimage=request.getParameter("bookimage");

        final String id=request.getParameter("id");

        Result result;
        try{
            if (id!=null){
                biz.modify(id,bookname,bookauthor,bookpress,pressdate,bookimage);
            }else{
                biz.create(bookname,bookauthor,bookpress,pressdate,bookimage);
            }

            result = new Result(1,"图书保存成功",null);
        }catch (BizException e){
            e.printStackTrace();
            result = new Result(0,e.getMessage(),null);
        }
        final String json = new Gson().toJson(result);
        response.getWriter().append(json);


    }
}
